Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos jogadores interpretaram a Sra. Darling na Broadway de 1999?
 ###Tabelas: CREATE TABLE result_of_national_final (result_of_national_final_id AUTO_INCREMENT PRIMARY KEY, Draw INT, Song VARCHAR, Artist VARCHAR, Points INT, Place VARCHAR) CREATE TABLE u.s._broadcast_and_ratings (u.s._broadcast_and_ratings_id AUTO_INCREMENT PRIMARY KEY, Season INT, Timeslot ( ET ) VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, TV season VARCHAR, Rank VARCHAR, Viewers (millions) VARCHAR) CREATE TABLE cast_of_major_productions_1954–1999 (cast_of_major_productions_1954–1999_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, 1954 Broadway VARCHAR, 1955 broadcast VARCHAR, 1960 broadcast VARCHAR, 1979 Broadway VARCHAR, 1990 Broadway VARCHAR, 1991 Broadway VARCHAR, 1998 Broadway VARCHAR, 1999 Broadway VARCHAR) CREATE TABLE 1972_isle_of_man_junior_tt_350cc_final_standings (1972_isle_of_man_junior_tt_350cc_final_standings_id AUTO_INCREMENT PRIMARY KEY, Place INT, Rider VARCHAR, Country VARCHAR, Machine VARCHAR, Speed VARCHAR, Time VARCHAR, Points INT) CREATE TABLE most_number_of_appearances (most_number_of_appearances_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, A-League VARCHAR, Finals VARCHAR, Total VARCHAR)  
SELECT COUNT 1999 Broadway FROM cast_of_major_productions_1954–1999 WHERE Character = Mrs. Darling